Name
Question 1 (16 points)
You are working on four different plasma membrane proteins (A, B, C. and D). To understand
the function of these proteins, you decide to test their orientation in the membrane. In each
case, you generate a version of the cDNA

Name _
7.06 Cell Biology
Exam #3
This is a closed book exam. You are allowed only two pages of notes, but not
computers or any other types of electronic devices.
Please write your answers to the questions in pen (not pencil) in the space provided.
Please

Name:_
7.06 Cell Biology
Exam #2
This is a closed book exam. You are allowed only two pages of notes, but not
computers or any other types of electronic devices.
Please write your answers to the questions in pen (not pencil) in the space
provided.
Please

Question 1
You are working on four different plasma membrane proteins (A, B, C, and D). To
understand the function of these proteins, you decide to test their orientation in the
membrane. In each case, you generate a version of the cDNA where you add an H

Question 1
You are working on four different plasma membrane proteins (A, B, C, and D). To
understand the function of these proteins, you decide to test their orientation in the
membrane. In each case, you generate a version of the cDNA where you add an H

Problem Set #3
7.06 Spring 2011
Question 1
In each case below, indicate whether the observation is an example of negative
feedback, positive feedback, crosstalk, or amplification of the signal transduction
pathway. If the observation does not correspond t

Problem Set #4
7.06 Spring 2011
Question 1
You have recently found two signal transduction pathways that function in hair follicle
length. You have identified genes whose expression is downstream of each pathway.
You generate GFP based reporters for each

Problem Set #4
7.06 Spring 2011
Question 1
You have recently found two signal transduction pathways that function in hair follicle
length. You have identified genes whose expression is downstream of each pathway.
You generate GFP based reporters for each

Problem Set #3
7.06 Spring 2011
Question 1
In each case below, indicate whether the observation is an example of negative
feedback, positive feedback, crosstalk, or amplification of the signal transduction
pathway. If the observation does not correspond t

Name _
7.06 Cell Biology
Exam #4
This is a closed book exam. You are allowed only two pages of notes, but not computers or any
other types of electronic devices.
Please write your answers to the questions in pen (not pencil) in the space provided.
Please

Name _
7.06 Cell Biology
Exam #3
This is a closed book exam. You are allowed only two pages of notes, but not computers or any
other types of electronic devices.
Please write your answers to the questions in pen (not pencil) in the space provided.
Please

Name _
7.06 Cell Biology
Exam #2
This is a closed book exam. You are allowed only two pages of notes, but not computers or any
other types of electronic devices.
Please write your answers to the questions in pen (not pencil) in the space provided.
Please

Name _
7.06 Cell Biology
Exam #1
This is a closed book exam. You are allowed only two pages of notes, but not computers or any
other types of electronic devices.
Please write your answers to the questions in pen (not pencil) in the space provided.
Please

Name:_
7.06 Cell Biology
Exam #3 2012
This is a closed book exam. You are allowed only two pages of notes, but not
computers or any other types of electronic devices.
Please write your answers to the questions in pen (not pencil) in the space
provided.
Pl

Name _
7.06 Cell Biology
Exam #2 (Answer Key)
This is a closed book exam. You are allowed only two pages of notes, but not computers or any
other types of electronic devices.
Please write your answers to the questions in pen (not pencil) in the space prov

Name _
7.06 Cell Biology
Exam #1
This is a closed book exam. You are allowed only two pages of notes, but not computers or any
other types of electronic devices.
Please write your answers to the questions in pen (not pencil) in the space provided.
Please

7.06 Quiz 6 Friday April 13, 2012
Name:_
Section:_
Question 1: You have a series of temperature sensitive mutants involved in chromosome
condensation and sister-chromatid cohesion. Indicate the effect of each mutant on chromosome
structure at the restrict

Name:_Recitation:_
7.06 Quiz 7 May 4, 2012
1) You have yeast diploid cells that are heterozygous for a transgene containing Lac
operator repeats. In order to follow chromosomes visually during meiosis, you also

7.06 Quiz 5
NAME: ANSWER KEY
Question 1:
You are working with Xenopus egg extracts as your model system to study the
cell cycle. After initiating the cell cycle by adding sperm nuclei and Ca2+ you
perturb the extract with the following drug treatments and

ANSWER KEY
You have identified a new protein X. After making a cell line expressing an N-
terminal in frame GFP-fusion of the protein and imaging it in living cells, you
determine that it localizes to the plasma m

Name:_
13 pts
Recitation:_
7.06 Quiz 4 March 16, 2012
Question 1
For the scenarios below indicate whether the end result of this change is reversible or
irreversible. (Circle one)
a) The ultimate downstream consequence of ubiquitination of IB.
reversible

7.06 Quiz 2 Friday February 17, 2012
Name:_
Section:_
Total score out of 6 points, each question worth 2 points
Question 1: Indicate whether each of the following proteins will be located in the membrane.
For those that are specify whether it will be a ty